From 3c0d5ba0a1db40842e23c2570d0e5580a688f830 Mon Sep 17 00:00:00 2001
From: bgort <bgort@users.noreply.github.com>
Date: Sun, 30 Apr 2017 11:22:31 -0400
Subject: [PATCH] allow idle() to be called - fixes sometimes crash/hang in G29
 I; (#6505)

---
 Marlin/ubl_G29.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Marlin/ubl_G29.cpp b/Marlin/ubl_G29.cpp
index a7071ae6de..a4269f13ef 100755
--- a/Marlin/ubl_G29.cpp
+++ b/Marlin/ubl_G29.cpp
@@ -342,6 +342,7 @@
           break;            // No more invalid Mesh Points to populate
         }
         ubl.z_values[location.x_index][location.y_index] = NAN;
+        cnt++;
       }
       SERIAL_PROTOCOLLNPGM("Locations invalidated.\n");
     }
-- 
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